Section 36.155 - Wideband and exchange trunk (C&WF)-Category 2-apportionment procedures(a) The cost of C&WF applicable to this category shall be directly assigned where feasible. If direct assignment is not feasible, cost shall be apportioned between the state and interstate jurisdictions on the basis of the relative number of minutes of use.(b) Effective July 1, 2001, through December 31, 2018, all study areas shall apportion Category 2 Wideband and exchange trunk C&WF among the jurisdictions using the relative number of minutes of use, as specified in paragraph (a) of this section, for the twelve-month period ending December 31, 2000. Direct assignment of any Category 2 equipment to the jurisdictions shall be updated annually.52 FR 17229, 5/6/1987, as amended at 66 FR 33206, 6/21/2001; 75 FR 30301, 6/1/2010; 76 FR 30841, 5/27/2011; 79 FR 36237, 6/26/2014; 82 FR 25538, 6/2/2017; 83 FR 4153, 1/30/2018